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Transactions with Affiliates
9 Months Ended
Sep. 30, 2019
Related Party Transactions [Abstract]  
Transactions with Affiliates Transactions with Affiliates
We enter into certain transactions in the normal course of business with affiliated entities including direct cost reimbursement for shared phone and administrative services. In addition, we lease our corporate office space from an affiliated entity.

Activities with affiliates were as follows for the periods indicated (in thousands):

Three Months EndedNine Months Ended
September 30,September 30,
2019201820192018
Affiliate billings to us$20  $18  $63  $58  
Billings to affiliates    
Rentals paid to affiliate122  121  366  365